70T3539MS133BC IDT, 70T3539MS133BC Datasheet - Page 16

• Manufacturer Part Number: 70T3539MS133BC
• Description: SRAM 512K X 36 STD-PWR, 2.5V DUAL PORT RAM
• Manufacturer: IDT
• Series: IDT70T3539Mr
• Type: Dual Port RAMr

Specifications of 70T3539MS133BC

• Memory Size: 18 Mbit
• Organization: 512 K x 36
• Access Time: 4.2 ns
• Supply Voltage - Max: 2.6 V
• Supply Voltage - Min: 2.4 V
• Maximum Operating Current: 740 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Package / Case: BGA-256
• Interface: LVTTL
• Maximum Clock Frequency: 133 MHz
• Memory Type: Synchronous
• Part # Aliases: IDT70T3539MS133BC

Timing Waveform of Pipelined Read with Address Counter Advance
Timing Waveform of Flow-Through Read with Address Counter Advance
NOTES:
1. CE
2. If there is no address change via ADS = V
IDT70T3539M
High-Speed 2.5V 512K x 36 Dual-Port Synchronous Static RAM
the data output remains constant for subsequent clocks.
ADDRESS
DATA
0
, OE, BEn = V
ADDRESS
CNTEN
DATA
CNTEN
CLK
ADS
OUT
CLK
ADS
OUT
IL
; CE
Qx - 1
Qx
t
t
SAD
SA
EXTERNAL
(2)
ADDRESS
1
An
t
t
, R/W, and REPEAT = V
SAD
SA
READ
EXTERNAL
(2)
t
ADDRESS
t
HAD
An
HA
t
t
READ
DC
t
CH1
t
HAD
HA
t
CH2
t
t
CD1
CYC1
t
CYC2
t
CL1
IL
t
CL2
(loading a new address) or CNTEN = V
Qx
Qn
IH
.
t
CD2
t
READ WITH COUNTER
DC
READ WITH COUNTER
Qn
Qn + 1
6.42
16
Qn + 1
IL
t
t
SCN
SAD
Qn + 2
(advancing the address), i.e. ADS = V
t
t
HCN
HAD
COUNTER
HOLD
Industrial and Commercial Temperature Ranges
t
t
SCN
SAD
t
t
HAD
HCN
COUNTER
Qn + 2
Qn + 3
HOLD
(2)
(2)
COUNTER
IH
READ
WITH
and CNTEN = V
COUNTER
READ
WITH
5678 drw 16
5678 drw 15
Qn + 4
Qn + 3
IH
, then
(1)
,
,
(1)